ATE158418T1 - Verfahren und vorrichtung zur erkennung von bestimmten materialien in der zusammensetzung eines gegenstands - Google Patents

Verfahren und vorrichtung zur erkennung von bestimmten materialien in der zusammensetzung eines gegenstands

Info

Publication number
ATE158418T1
ATE158418T1 AT94916290T AT94916290T ATE158418T1 AT E158418 T1 ATE158418 T1 AT E158418T1 AT 94916290 T AT94916290 T AT 94916290T AT 94916290 T AT94916290 T AT 94916290T AT E158418 T1 ATE158418 T1 AT E158418T1
Authority
AT
Austria
Prior art keywords
pct
target material
attenuation function
determined
base
Prior art date
Application number
AT94916290T
Other languages
English (en)
Inventor
Serge Maitrejean
Didier Perion
Original Assignee
Europ Scan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Europ Scan filed Critical Europ Scan
Application granted granted Critical
Publication of ATE158418T1 publication Critical patent/ATE158418T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
    • G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Toxicology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Seeds, Soups, And Other Foods (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
AT94916290T 1993-05-28 1994-05-16 Verfahren und vorrichtung zur erkennung von bestimmten materialien in der zusammensetzung eines gegenstands ATE158418T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9306448A FR2705786B1 (fr) 1993-05-28 1993-05-28 Procédé et dispositif pour la reconnaissance de matériaux déterminés dans la composition d'un objet.

Publications (1)

Publication Number Publication Date
ATE158418T1 true ATE158418T1 (de) 1997-10-15

Family

ID=9447563

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94916290T ATE158418T1 (de) 1993-05-28 1994-05-16 Verfahren und vorrichtung zur erkennung von bestimmten materialien in der zusammensetzung eines gegenstands

Country Status (9)

Country Link
US (1) US5768334A (de)
EP (1) EP0701703B1 (de)
AT (1) ATE158418T1 (de)
AU (1) AU6800294A (de)
DE (1) DE69405739T2 (de)
FI (1) FI955715A7 (de)
FR (1) FR2705786B1 (de)
NO (1) NO954818L (de)
WO (1) WO1994028442A1 (de)

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Also Published As

Publication number Publication date
US5768334A (en) 1998-06-16
FI955715A0 (fi) 1995-11-27
AU6800294A (en) 1994-12-20
NO954818L (no) 1996-01-26
FR2705786B1 (fr) 1995-08-25
DE69405739T2 (de) 1998-01-15
EP0701703B1 (de) 1997-09-17
DE69405739D1 (de) 1997-10-23
NO954818D0 (no) 1995-11-27
FI955715A7 (fi) 1996-01-26
FR2705786A1 (fr) 1994-12-02
EP0701703A1 (de) 1996-03-20
WO1994028442A1 (fr) 1994-12-08

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